[omnibox] Reverse (swap) the rows on answers (other than definitions)

This CL will swap the two rows of an answer/entity if the
answers are excepted.  It is a duplicate of change at
crrev.com/c/1112730 but with merge conflict resolved and
owner changed.

Bug: 855783
Change-Id: I17950c6daa489d7b42c0954195f4bf823383e31b
Reviewed-on: https://chromium-review.googlesource.com/1132550
Reviewed-by: Justin Donnelly <[email protected]>
Commit-Queue: Orin Jaworski <[email protected]>
Cr-Commit-Position: refs/heads/master@{#574044}
8 files changed